First version of reviews

Logic/Web/MangroveReviews.ts

@@ -0,0 +1,50 @@
+import * as mangrove from 'mangrove-reviews'
+import {UIEventSource} from "../UIEventSource";
+
+export default class MangroveReviews {
+
+    constructor() {
+    }
+
+    /**
+     * Gives a UIEVentsource with all reviews.
+     * Note: rating is between 1 and 100
+     */
+    public static GetReviewsFor(lon: number, lat: number, name: string): UIEventSource<{
+        comment?: string,
+        author: string,
+        date: Date,
+        rating: number
+    }[]> {
+
+        let uri = `geo:${lat},${lon}?u=50`;
+        if (name !== undefined && name !== null) {
+            uri += "&q=" + name;
+        }
+        const reviewsSource : UIEventSource< {
+            comment?: string,
+            author: string,
+            date: Date,
+            rating: number
+        }[]> = new UIEventSource([]);
+        
+        mangrove.getReviews({sub: uri}).then(
+            (data) => {
+                const reviews = [];
+                for (const review of data.reviews) {
+                    const r = review.payload;
+                    reviews.push({
+                        date: new Date(r.iat * 1000),
+                        comment: r.opinion,
+                        author: r.metadata.nickname,
+                        rating: r.rating // percentage points
+                    })
+                }
+                reviewsSource.setData(reviews)
+            }
+        );
+        return reviewsSource;
+    }
+
+
+}